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name: Precommit - Helm Chart Lint
on:
  pull_request:
    branches:
      - '*'
jobs:
  lint-test:
    runs-on: ubuntu-latest
    timeout-minutes: 45
    steps:
      - name: checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Detect changed files
        id:   changes
        uses: apache/pulsar-test-infra/paths-filter@master
        with:
          filters: .github/changes-filter.yaml

      - name: Check changed files
        id: check_changes
        run: echo "::set-output name=docs_only::${{ fromJSON(steps.changes.outputs.all_count) == fromJSON(steps.changes.outputs.docs_count) && fromJSON(steps.changes.outputs.docs_count) > 0 }}"

      - name: Set up Helm
        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
        uses: azure/setup-helm@v3
        with:
          version: v3.10.0

      - name: Set up Python
        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
        uses: actions/setup-python@v4
        with:
          python-version: '3.9'

      - name: Set up chart-testing
        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
        uses: ./.github/actions/chart-testing-action

      - name: Run chart-testing (lint)
        if: ${{ steps.check_changes.outputs.docs_only != 'true' }}
        run: ct lint --target-branch ${{ github.event.repository.default_branch }}